Array and Numbers

1) 不同的数组坐标系，可以得到不同的结果集合。

Sorted Array

• Merge Two Sorted Arrays / Merge k Sorted Arrays

• Median Of Two Sorted Arrays

Subarray

• Best Time to Buy and Sell Stocks I, II, II

• Subarray I, II, III, IV

Two Pointers

• Two sum, 3Sum, 4Sum, k Sum, 3Sum Closest

• Partition Array